package com.primestone.cim.client.app;
/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
//package org.eclipse.swt.snippets;
/*
 * Create a virtual table and add 1000 entries to it every 500 ms.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.0
 */
import java.util.Arrays;
import java.util.Random;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;

/**
 * @author cesar.mateus
 * May 17, 2013 7:34:04 PM
 * TableCreate1000Entries.java
 * CIMClientApplication
 * 
 */
public class TableCreate1000Entries {

  static int[] data = new int[0];

  /**
 * @param args
 */
public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Table table = new Table(shell, SWT.BORDER | SWT.VIRTUAL);
    table.addListener(SWT.SetData, new Listener() {
      @Override
	public void handleEvent(Event e) {
        TableItem item = (TableItem) e.item;
        int index = table.indexOf(item);
        item.setText("Item " + data[index]);
      }
    });
    Thread thread = new Thread() {
    	@Override
    	public void run() {
    		int count = 0;
    		Random random = new Random();
    		while (count++ < 500) {
    			if (table.isDisposed())
    				return;
    			// add 10 random numbers to array and sort
    			int grow = 10;
    			int[] newData = new int[data.length + grow];
    			System.arraycopy(data, 0, newData, 0, data.length);
    			int index = data.length;
    			data = newData;
    			for (int j = 0; j < grow; j++) {
    				data[index++] = random.nextInt();
    			}
    			Arrays.sort(data);
    			display.syncExec(new Runnable() {
    				@Override
    				public void run() {
    					if (table.isDisposed())
    						return;
    					table.setItemCount(data.length);
    					table.clearAll();
    				}
    			});
    			try {
    				Thread.sleep(500);
    			} catch (Throwable t) {
    			}
    		}
    	}
    };
    thread.start();
    shell.open();
    while (!shell.isDisposed() || thread.isAlive()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}